Question 1

Which of the following best describes the role of water in the reaction $$\mathrm{HCl} + \mathrm{H_2O} \rightarrow \mathrm{H_3O^+} + \mathrm{Cl^-}$$ according to the Brønsted-Lowry theory?

Accepted Answer

Water acts as a Brønsted-Lowry base by accepting a proton.

Question 2

Which of the following acids is correctly named according to the rules for naming acids containing polyatomic ions with an 'ate' ending?

Accepted Answer

$$HNO_3$ is nitric acid

Question 3

Which of the following equations correctly represents the dissociation of sodium hydroxide in water?

Accepted Answer

$$\mathrm{NaOH(s)} \xrightarrow{H_2O} \mathrm{Na^+(aq)} + \mathrm{OH^-(aq)}$$

Question 4

Which of the following is a strong acid and will dissociate completely in water?

Accepted Answer

$$\mathrm{$$HNO_3$$}$$

Question 5

Identify the conjugate acid-base pairs in the following reaction: $$\mathrm{HF(aq) + H_2O(l) \rightleftharpoons F^-(aq) + H_3O^+(aq)}.$$

Accepted Answer

HF/F$$^-$$ and H$$_2O/H$_3O$^+$$

Question 6

Which of the following statements about strong bases is correct?

Accepted Answer

Strong bases dissociate completely in water to produce hydroxide ions.

Question 7

What is the correct name for $$\mathrm{HBr}$$ when dissolved in water?

Accepted Answer

Hydrobromic acid

Question 8

Which of the following best explains why $$\mathrm{HCl} is $$considered a strong acid?

Accepted Answer

It dissociates completely in water to produce $$\mathrm{H_3O^+}$$ and $$\mathrm{Cl^-}$$ ions.

Question 9

Which of the following is the correct Brønsted-Lowry acid in the reaction $$\mathrm{NH_3$ + H_2O \rightleftharpoons NH_4$^+ + OH^-}$$?

Accepted Answer

$$\mathrm{H_2O}$$

Question 10

Which of the following bases is considered weak?

Accepted Answer

$$\mathrm{NH_3$}$$

Question 11

A solution turns blue litmus paper red and reacts with magnesium metal to produce hydrogen gas. Which of the following is most likely present in the solution?

Accepted Answer

A strong acid

Question 12

Which of the following is the correct formula for the hydronium ion?

Accepted Answer

$$\mathrm{H_3O^+}$$

Question 13

Which of the following is the correct name for $$\mathrm{H_2SO_4}$$?

Accepted Answer

Sulfuric acid

Question 14

Which of the following best describes the difference between a strong acid and a weak acid?

Accepted Answer

A strong acid dissociates completely in water, while a weak acid only partially dissociates.

Question 15

Which of the following is the conjugate base of $$\mathrm{H_2CO_3}$$?

Accepted Answer

$$\mathrm{$$HCO_3$$^-}$$

Question 16

Which of the following best describes the taste and feel of a typical base?

Accepted Answer

Bitter taste, slippery feel

Question 17

Which of the following is the correct dissociation equation for potassium hydroxide in water?

Accepted Answer

$$\mathrm{KOH(s)} \xrightarrow{H_2O} \mathrm{K^+(aq)} + \mathrm{OH^-(aq)}$$

Question 18

Which of the following is a characteristic property of acids but not bases?

Accepted Answer

Reacts with metals to produce hydrogen gas

Question 19

Which of the following is the correct name for $$\mathrm{$$HNO_2$$}$$?

Accepted Answer

Nitrous acid

Question 20

Which of the following is the correct conjugate acid-base pair for the reaction $$\mathrm{NH_3$ + H_2O \rightleftharpoons NH_4$^+ + OH^-}$$?

Accepted Answer

$$\mathrm{NH_3$/NH_4$^+}$$ and $$\mathrm{H_2O/OH^-}$$

Acids and Bases: Bronsted-Lowry Theory and Properties

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